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Archive for October, 2023

As I prepared to take a step closer to a pond last Friday at Occoquan Bay National Wildlife Refuge, I suddenly saw that there was a large snake in the vegetation right where my foot was about to land. My mind quickly processed the information and came to the conclusion that it was probably “only” a Northern Water Snake (Nerodia sipedon), a non-poisonous snake that is quite common where I live.

Not wanting to disturb the snake, I backed off a little and captured this shot of the snake that was pretty well hidden in the vegetation. My mission completed, I continued on down the trail and the snake was able to resume its basking in the warmth of the autumn sunlight.

Northern Water Snake

© Michael Q. Powell. All rights reserved.

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As I was exploring Occoquan Bay National Wildlife Refuge this past Friday, I spotted some colorful red and black bugs. I had no idea what they were, but I happened to be walking with a fellow dragonfly enthusiast and he told me that they were Florida Predatory Stink Bugs (Euthyrynchus floridanus).

Unlike most other stink bugs that feed on plants, Florida Predatory Stink Bugs feed on insects that attack plants and are therefore considered to be beneficial. According to the North Carolina Extension website, “Immature Euthyrhynchus have a strong tendency to aggregate, and they even attack larger prey in concert. Apparently, aggregation behavior allows them to successfully attack prey too large to be subdued by a single nymph. Sometimes adults aggregate with nymphs, although when times get hard, these bugs sometimes feed on smaller relatives! When the bugs jab their proboscis into a less fortunate insect, they inject a toxin that slowly immobilizes the prey. The predigested insides are then sucked out.”

When they are developing, these stink bugs go through five stages, known as instars. The two largest bugs in the photo below are adults, while the two in the middle are in some what earlier stages of development. I don’t know for sure what this group of bugs was doing, but wonder if there is some kind of prey beneath them that they are immobilizing together.

Florida Predatory Stink Bug

© Michael Q. Powell. All rights reserved.

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As I was leaving Occoquan Bay National Wildlife Refuge on Friday, I spotted this small band of Wild Turkeys (Meleagris gallopavo) foraging on the side of a small hill. I captured this image while I was seated in the driver’s seat of my car. I was stopped with my blinkers on and fortunately there was no other traffic. I like the way that the turkeys had spaced themselves out in a military-style patrolling formation.

Wild Turkeys

© Michael Q. Powell. All rights reserved.

 

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